聊聊xxl-job-executor-go的Task

//任务
type Task struct {
    Id        int64
    Name      string
    Ext       context.Context
    Param     *RunReq
    fn        TaskFunc
    Cancel    context.CancelFunc
    StartTime int64
    EndTime   int64
    //日志
    log Logger
}

type TaskFunc func(cxt context.Context, param *RunReq) string

func (t *Task) Run(callback func(code int64, msg string)) {
    defer func(cancel func()) {
        if err := recover(); err != nil {
            t.log.Info(t.Info()+" panic: %v", err)
            debug.PrintStack() //堆栈跟踪
            callback(500, "task panic:"+fmt.Sprintf("%v", err))
            cancel()
        }
    }(t.Cancel)
    msg := t.fn(t.Ext, t.Param)
    callback(200, msg)
    return
}

func (t *Task) Info() string {
    return "任务ID[" + Int64ToStr(t.Id) + "]任务名称[" + t.Name + "]参数：" + t.Param.ExecutorParams
}